12810768 has 20 divisors (see below), whose sum is σ = 33094608. Its totient is φ = 4270240.

The previous prime is 12810767. The next prime is 12810773. The reversal of 12810768 is 86701821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12810767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133398 + ... + 133493.

Almost surely, 2^12810768 is an apocalyptic number.

It is an amenable number.

12810768 is an abundant number, since it is smaller than the sum of its proper divisors (20283840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12810768 is a wasteful number, since it uses less digits than its factorization.

12810768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266902 (or 266896 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 12810768 is about 3579.2133213878. The cubic root of 12810768 is about 233.9869961362.

The spelling of 12810768 in words is "twelve million, eight hundred ten thousand, seven hundred sixty-eight".